The Assure Directory provides objective and third-party-verified information on the relative performance of various diamond verification devices, as well as guidance on how to ensure that their business is protected from undisclosed laboratory-grown diamonds.
18 INSTRUMENTS FROM 11 MANUFACTURERS TESTED
In creating the directory, the program partnered with the 11 manufacturers representing the 18 most widely available diamond verification instruments in the market.
The instruments submitted were tested in accordance with the methods and protocols in the Diamond Verification Instruments Standard, which was developed in collaboration with the independent third-party test agency UL and a technical committee consisting of leading scientists and academics from major gemological organizations, including GIA, GII, IIDGR, NGTC, SSEF, TISNCM and WTOCD.
All of the diamond verification Instruments submitted were tested with a deliberately challenging sample, which included including natural diamonds, laboratory grown diamonds and, if applicable, diamond simulants. The first round of testing took place at UL’s laboratories in Canton, MA.